Tim Flach’s mission as a photographer is to better connect people to the natural world. His previous books from Abrams include Endangered (2017), More Than Human (2012), Dogs (2010), and Equus (2008). An honorary fellow of the Royal Photographic Society, he lives and works in London. Richard O. Prum is the author of The Evolution of Beauty (2017), named one of the best books of the year by the New York Times and a finalist for the Pulitzer Prize. A professor of ornithology at Yale University and MacArthur Fellow, he lives in New Haven, Connecticut.